#3373E8#3373E8

#3373E8 is a mid, vivid blue. Relative luminance 0.188; OKLCH L 58.0% C 0.189 H 261.2°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3373E8
RGB	rgb(51, 115, 232)
HSL	hsl(219, 80%, 55%)
HSV	hsv(219, 78%, 91%)
CMYK	cmyk(78%, 50.4%, 0%, 9%)
CIE-LAB	lab(50.44, 20.88, -65.01)
CIE-LCH	lch(50.44, 68.28, 287.81°)
OKLab	oklab(57.98% -0.0289 -0.1872)
OKLCH	oklch(57.98% 0.189 261.2)
XYZ	xyz(22.0562, 18.7889, 78.7924)
Luminance	0.1879 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3373E8 #E8A833

analogous

#33CDE8 #3373E8 #4E33E8

triadic

#3373E8 #E83373 #73E833

tetradic

#3373E8 #E833CD #E8A833 #33E84E

square

#3373E8 #E833CD #E8A833 #33E84E

split-complementary

#3373E8 #E84E33 #CDE833

monochromatic

#103E90 #1655C7 #3373E8 #6A99EE #A1BEF4

Accessibility & contrast

On white

4.41

#3373E8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#3373E8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3373E8

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3373E8	#FFFFFF	#000000	##000000
##3373E8	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2781EC

Deuteranopia (green-blind)

#0070E6

Tritanopia (blue-blind)

#008FA3

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3373e8;
/* rgb */ color: rgb(51, 115, 232);
/* oklch */ color: oklch(58.0% 0.189 261.2);

Tailwind

colors: {
  custom: {
    50: '#859af0',
    500: '#3373e8',
    950: '#000000',
  },
}

SCSS

$custom: #3373e8;
$custom-light: #859af0;
$custom-dark: #000000;

JSON

{
  "hex": "#3373e8",
  "rgb": {
    "r": 51,
    "g": 115,
    "b": 232
  },
  "hsl": {
    "h": 218.785,
    "s": 79.736,
    "l": 55.49
  },
  "oklch": {
    "l": 0.57975,
    "c": 0.18938,
    "h": 261.2
  },
  "luminance": 0.18791
}

Semantic roles & 50–950 ramp

primary

#3373E8

secondary

#E1C696

accent

#B132F6

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E17

muted

#7E7E85

Preview Lab

Preview with #3373E8

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →